@misc{indiciae234c18a5a696,
  title = {The yield of the well field of the Vigo Ordnance Plant, near Terre Haute, Indiana},
  author = {J.G. G. Ferris and F.H. Klaer},
  year = {1949},
  doi = {10.3133/ofr4967},
  url = {https://pubs.usgs.gov/publication/ofr4967},
  note = {Source identifier: ofr4967}
}